Valken Zulu Spitfire Tracer Unit Angel Threaded Barrels water resistant exterior prevents incidental 4500psi Tanks water resistant exterior prevents incidental damage to your marker in storage Microfiber interior absorbs any residual moisture and prevents scratches Fold flat construction allows use of bag as a work surface to keep oil and paint from making a mess The Tiberius Arms EXO Tactical Vest includes all of the features that will help you perform at the top of your game whether it be paintball Able to be used with airsoft rifles or airsoft pistols with an included 14 to 11mm thread adapter and built tough from rugged aluminum the Valken ZULU Spitfire airsoft tracer unit adds a realistic effect and sleek